(1 mile)/(90 miles/hr) = (0.01111... hr)*(60 min/hr) = 0.66667 min or 40 sec.
26.67 minutes.
3 hr 13 min.
2 hours 13 minutes.
At 20 mph how long would it take to drive one mile?
About a mile and half drive.
45 seconds.
About 3 hours for the 180 mile drive.
At 60mph it takes 22 minutes. At 30mph it takes 44 minutes. At 90mph it takes 11 minutes.
That depends on how fast you go.
About 51 seconds.
2 minutes.
One mile at 60mph would take just one minute.